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<a href="#GESSimpleTimelineLayer.description" class="shortcut">Description</a>
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<a href="#GESSimpleTimelineLayer.object-hierarchy" class="shortcut">Object Hierarchy</a>
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<a href="#GESSimpleTimelineLayer.properties" class="shortcut">Properties</a>
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<a href="#GESSimpleTimelineLayer.signals" class="shortcut">Signals</a>
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<div class="refentry">
<a name="GESSimpleTimelineLayer"></a><div class="titlepage"></div>
<div class="refnamediv"><table width="100%"><tr>
<td valign="top">
<h2><span class="refentrytitle"><a name="GESSimpleTimelineLayer.top_of_page"></a>GESSimpleTimelineLayer</span></h2>
<p>GESSimpleTimelineLayer — High-level <a class="link" href="GESTimelineLayer.html" title="GESTimelineLayer"><span class="type">GESTimelineLayer</span></a></p>
</td>
<td valign="top" align="right"></td>
</tr></table></div>
<div class="refsynopsisdiv">
<a name="GESSimpleTimelineLayer.synopsis"></a><h2>Synopsis</h2>
<pre class="synopsis">
#include <ges/ges.h>
<a class="link" href="GESSimpleTimelineLayer.html#GESSimpleTimelineLayer-struct" title="GESSimpleTimelineLayer">GESSimpleTimelineLayer</a>;
<a class="link" href="GESSimpleTimelineLayer.html" title="GESSimpleTimelineLayer"><span class="returnvalue">GESSimpleTimelineLayer</span></a> * <a class="link" href="GESSimpleTimelineLayer.html#ges-simple-timeline-layer-new" title="ges_simple_timeline_layer_new ()">ges_simple_timeline_layer_new</a> (<em class="parameter"><code><span class="type">void</span></code></em>);
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> <a class="link" href="GESSimpleTimelineLayer.html#ges-simple-timeline-layer-add-object" title="ges_simple_timeline_layer_add_object ()">ges_simple_timeline_layer_add_object</a>
(<em class="parameter"><code><a class="link" href="GESSimpleTimelineLayer.html" title="GESSimpleTimelineLayer"><span class="type">GESSimpleTimelineLayer</span></a> *layer</code></em>,
<em class="parameter"><code><a class="link" href="GESTimelineObject.html" title="GESTimelineObject"><span class="type">GESTimelineObject</span></a> *object</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> position</code></em>);
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> <a class="link" href="GESSimpleTimelineLayer.html#ges-simple-timeline-layer-move-object" title="ges_simple_timeline_layer_move_object ()">ges_simple_timeline_layer_move_object</a>
(<em class="parameter"><code><a class="link" href="GESSimpleTimelineLayer.html" title="GESSimpleTimelineLayer"><span class="type">GESSimpleTimelineLayer</span></a> *layer</code></em>,
<em class="parameter"><code><a class="link" href="GESTimelineObject.html" title="GESTimelineObject"><span class="type">GESTimelineObject</span></a> *object</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> newposition</code></em>);
<a class="link" href="GESTimelineObject.html" title="GESTimelineObject"><span class="returnvalue">GESTimelineObject</span></a> * <a class="link" href="GESSimpleTimelineLayer.html#ges-simple-timeline-layer-nth" title="ges_simple_timeline_layer_nth ()">ges_simple_timeline_layer_nth</a> (<em class="parameter"><code><a class="link" href="GESSimpleTimelineLayer.html" title="GESSimpleTimelineLayer"><span class="type">GESSimpleTimelineLayer</span></a> *layer</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> position</code></em>);
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="returnvalue">gint</span></a> <a class="link" href="GESSimpleTimelineLayer.html#ges-simple-timeline-layer-index" title="ges_simple_timeline_layer_index ()">ges_simple_timeline_layer_index</a> (<em class="parameter"><code><a class="link" href="GESSimpleTimelineLayer.html" title="GESSimpleTimelineLayer"><span class="type">GESSimpleTimelineLayer</span></a> *layer</code></em>,
<em class="parameter"><code><a class="link" href="GESTimelineObject.html" title="GESTimelineObject"><span class="type">GESTimelineObject</span></a> *object</code></em>);
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> <a class="link" href="GESSimpleTimelineLayer.html#ges-simple-timeline-layer-is-valid" title="ges_simple_timeline_layer_is_valid ()">ges_simple_timeline_layer_is_valid</a> (<em class="parameter"><code><a class="link" href="GESSimpleTimelineLayer.html" title="GESSimpleTimelineLayer"><span class="type">GESSimpleTimelineLayer</span></a> *layer</code></em>);
</pre>
</div>
<div class="refsect1">
<a name="GESSimpleTimelineLayer.object-hierarchy"></a><h2>Object Hierarchy</h2>
<pre class="synopsis">
<a href="/usr/share/gtk-doc/html/gobject/gobject-The-Base-Object-Type.html#GObject">GObject</a>
+----<a href="/usr/share/gtk-doc/html/gobject/gobject-The-Base-Object-Type.html#GInitiallyUnowned">GInitiallyUnowned</a>
+----<a class="link" href="GESTimelineLayer.html" title="GESTimelineLayer">GESTimelineLayer</a>
+----GESSimpleTimelineLayer
</pre>
</div>
<div class="refsect1">
<a name="GESSimpleTimelineLayer.properties"></a><h2>Properties</h2>
<pre class="synopsis">
"<a class="link" href="GESSimpleTimelineLayer.html#GESSimpleTimelineLayer--valid" title='The "valid" property'>valid</a>" <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> : Read
</pre>
</div>
<div class="refsect1">
<a name="GESSimpleTimelineLayer.signals"></a><h2>Signals</h2>
<pre class="synopsis">
"<a class="link" href="GESSimpleTimelineLayer.html#GESSimpleTimelineLayer-object-moved" title='The "object-moved" signal'>object-moved</a>" : <a href="/usr/share/gtk-doc/html/gobject/gobject-Signals.html#G-SIGNAL-RUN-FIRST:CAPS"><code class="literal">Run First</code></a>
</pre>
</div>
<div class="refsect1">
<a name="GESSimpleTimelineLayer.description"></a><h2>Description</h2>
<p>
<a class="link" href="GESSimpleTimelineLayer.html" title="GESSimpleTimelineLayer"><span class="type">GESSimpleTimelineLayer</span></a> allows using <a class="link" href="GESTimelineObject.html" title="GESTimelineObject"><span class="type">GESTimelineObject</span></a>(s) with a list-like
API. Clients can add any type of GESTimelineObject to a
GESSimpleTimelineLayer, and the layer will automatically compute the
appropriate start times.
</p>
<p>
Users should be aware that GESTimelineTransition objects are considered to
have a negative duration for the purposes of positioning GESTimelineSource
objects (i.e., adding a GESTimelineTransition creates an overlap between
the two adjacent sources.
</p>
</div>
<div class="refsect1">
<a name="GESSimpleTimelineLayer.details"></a><h2>Details</h2>
<div class="refsect2">
<a name="GESSimpleTimelineLayer-struct"></a><h3>GESSimpleTimelineLayer</h3>
<pre class="programlisting">typedef struct _GESSimpleTimelineLayer GESSimpleTimelineLayer;</pre>
</div>
<hr>
<div class="refsect2">
<a name="ges-simple-timeline-layer-new"></a><h3>ges_simple_timeline_layer_new ()</h3>
<pre class="programlisting"><a class="link" href="GESSimpleTimelineLayer.html" title="GESSimpleTimelineLayer"><span class="returnvalue">GESSimpleTimelineLayer</span></a> * ges_simple_timeline_layer_new (<em class="parameter"><code><span class="type">void</span></code></em>);</pre>
<p>
Creates a new <a class="link" href="GESSimpleTimelineLayer.html" title="GESSimpleTimelineLayer"><span class="type">GESSimpleTimelineLayer</span></a>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody><tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>The new <a class="link" href="GESSimpleTimelineLayer.html" title="GESSimpleTimelineLayer"><span class="type">GESSimpleTimelineLayer</span></a>
</td>
</tr></tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="ges-simple-timeline-layer-add-object"></a><h3>ges_simple_timeline_layer_add_object ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> ges_simple_timeline_layer_add_object
(<em class="parameter"><code><a class="link" href="GESSimpleTimelineLayer.html" title="GESSimpleTimelineLayer"><span class="type">GESSimpleTimelineLayer</span></a> *layer</code></em>,
<em class="parameter"><code><a class="link" href="GESTimelineObject.html" title="GESTimelineObject"><span class="type">GESTimelineObject</span></a> *object</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> position</code></em>);</pre>
<p>
Adds the object at the given position in the layer. The position is where
the object will be inserted. To put the object before all objects, use
position 0. To put after all objects, use position -1.
</p>
<p>
When adding transitions, it is important that the adjacent objects
(objects at position, and position + 1) be (1) A derivative of
GESTimelineSource or other non-transition, and (2) have a duration at least
as long as the duration of the transition.
</p>
<p>
The layer will steal a reference to the provided object.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>layer</code></em> :</span></p></td>
<td>a <a class="link" href="GESSimpleTimelineLayer.html" title="GESSimpleTimelineLayer"><span class="type">GESSimpleTimelineLayer</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>object</code></em> :</span></p></td>
<td>the <a class="link" href="GESTimelineObject.html" title="GESTimelineObject"><span class="type">GESTimelineObject</span></a> to add</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>position</code></em> :</span></p></td>
<td>the position at which to add the object</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>TRUE if the object was successfuly added, else FALSE.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="ges-simple-timeline-layer-move-object"></a><h3>ges_simple_timeline_layer_move_object ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> ges_simple_timeline_layer_move_object
(<em class="parameter"><code><a class="link" href="GESSimpleTimelineLayer.html" title="GESSimpleTimelineLayer"><span class="type">GESSimpleTimelineLayer</span></a> *layer</code></em>,
<em class="parameter"><code><a class="link" href="GESTimelineObject.html" title="GESTimelineObject"><span class="type">GESTimelineObject</span></a> *object</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> newposition</code></em>);</pre>
<p>
Moves the object to the given position in the layer. To put the object before
all other objects, use position 0. To put the objects after all objects, use
position -1.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>layer</code></em> :</span></p></td>
<td>a <a class="link" href="GESSimpleTimelineLayer.html" title="GESSimpleTimelineLayer"><span class="type">GESSimpleTimelineLayer</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>object</code></em> :</span></p></td>
<td>the <a class="link" href="GESTimelineObject.html" title="GESTimelineObject"><span class="type">GESTimelineObject</span></a> to move</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>newposition</code></em> :</span></p></td>
<td>the new position at which to move the object</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>TRUE if the object was successfuly moved, else FALSE.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="ges-simple-timeline-layer-nth"></a><h3>ges_simple_timeline_layer_nth ()</h3>
<pre class="programlisting"><a class="link" href="GESTimelineObject.html" title="GESTimelineObject"><span class="returnvalue">GESTimelineObject</span></a> * ges_simple_timeline_layer_nth (<em class="parameter"><code><a class="link" href="GESSimpleTimelineLayer.html" title="GESSimpleTimelineLayer"><span class="type">GESSimpleTimelineLayer</span></a> *layer</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> position</code></em>);</pre>
<p>
Gets the timeline object at the given position.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>layer</code></em> :</span></p></td>
<td>a <a class="link" href="GESSimpleTimelineLayer.html" title="GESSimpleTimelineLayer"><span class="type">GESSimpleTimelineLayer</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>position</code></em> :</span></p></td>
<td>The position in position to get, starting from 0.</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>The <a class="link" href="GESTimelineObject.html" title="GESTimelineObject"><span class="type">GESTimelineObject</span></a> at the given position or NULL if
the position is off the end of the layer. <span class="annotation">[<acronym title="Don't free data after the code is done."><span class="acronym">transfer none</span></acronym>]</span>
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="ges-simple-timeline-layer-index"></a><h3>ges_simple_timeline_layer_index ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="returnvalue">gint</span></a> ges_simple_timeline_layer_index (<em class="parameter"><code><a class="link" href="GESSimpleTimelineLayer.html" title="GESSimpleTimelineLayer"><span class="type">GESSimpleTimelineLayer</span></a> *layer</code></em>,
<em class="parameter"><code><a class="link" href="GESTimelineObject.html" title="GESTimelineObject"><span class="type">GESTimelineObject</span></a> *object</code></em>);</pre>
<p>
Gets the position of the given object within the given layer.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>layer</code></em> :</span></p></td>
<td>a <a class="link" href="GESSimpleTimelineLayer.html" title="GESSimpleTimelineLayer"><span class="type">GESSimpleTimelineLayer</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>object</code></em> :</span></p></td>
<td>a <a class="link" href="GESTimelineObject.html" title="GESTimelineObject"><span class="type">GESTimelineObject</span></a> in the layer</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>The position of the object starting from 0, or -1 if the
object was not found.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="ges-simple-timeline-layer-is-valid"></a><h3>ges_simple_timeline_layer_is_valid ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> ges_simple_timeline_layer_is_valid (<em class="parameter"><code><a class="link" href="GESSimpleTimelineLayer.html" title="GESSimpleTimelineLayer"><span class="type">GESSimpleTimelineLayer</span></a> *layer</code></em>);</pre>
<p>
Checks whether the arrangement of objects in the layer would cause errors
or unexpected output during playback. Do not set the containing pipeline
state to PLAYING when this property is FALSE.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>layer</code></em> :</span></p></td>
<td>a <a class="link" href="GESSimpleTimelineLayer.html" title="GESSimpleTimelineLayer"><span class="type">GESSimpleTimelineLayer</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>
<a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#TRUE:CAPS"><span class="type">TRUE</span></a> if current arrangement of the layer is valid else <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#FALSE:CAPS"><span class="type">FALSE</span></a>.</td>
</tr>
</tbody>
</table></div>
</div>
</div>
<div class="refsect1">
<a name="GESSimpleTimelineLayer.property-details"></a><h2>Property Details</h2>
<div class="refsect2">
<a name="GESSimpleTimelineLayer--valid"></a><h3>The <code class="literal">"valid"</code> property</h3>
<pre class="programlisting"> "valid" <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> : Read</pre>
<p>
FALSE when the arrangement of objects in the layer would cause errors or
unexpected output during playback. Do not set the containing pipeline
state to PLAYING when this property is FALSE.
</p>
<p>Default value: FALSE</p>
</div>
</div>
<div class="refsect1">
<a name="GESSimpleTimelineLayer.signal-details"></a><h2>Signal Details</h2>
<div class="refsect2">
<a name="GESSimpleTimelineLayer-object-moved"></a><h3>The <code class="literal">"object-moved"</code> signal</h3>
<pre class="programlisting"><span class="returnvalue">void</span> user_function (<a class="link" href="GESSimpleTimelineLayer.html" title="GESSimpleTimelineLayer"><span class="type">GESSimpleTimelineLayer</span></a> *layer,
<a class="link" href="GESTimelineObject.html" title="GESTimelineObject"><span class="type">GESTimelineObject</span></a> *object,
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> old,
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> new,
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> user_data) : <a href="/usr/share/gtk-doc/html/gobject/gobject-Signals.html#G-SIGNAL-RUN-FIRST:CAPS"><code class="literal">Run First</code></a></pre>
<p>
Will be emitted when an object is moved with
<a class="link" href="GESSimpleTimelineLayer.html#ges-simple-timeline-layer-move-object" title="ges_simple_timeline_layer_move_object ()"><span class="type">ges_simple_timeline_layer_move_object</span></a>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>layer</code></em> :</span></p></td>
<td>the <a class="link" href="GESSimpleTimelineLayer.html" title="GESSimpleTimelineLayer"><span class="type">GESSimpleTimelineLayer</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>object</code></em> :</span></p></td>
<td>the <a class="link" href="GESTimelineObject.html" title="GESTimelineObject"><span class="type">GESTimelineObject</span></a> that was added</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>old</code></em> :</span></p></td>
<td>the previous position of the object</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>new</code></em> :</span></p></td>
<td>the new position of the object</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>user_data</code></em> :</span></p></td>
<td>user data set when the signal handler was connected.</td>
</tr>
</tbody>
</table></div>
</div>
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